Family Dolichopsyllidae Baker 73 



as in the male. Sternite VII divided by a wide shallow sinus 

 into two lobes of which the upper is more prominent than the 

 lower. Head of the receptaculum seminis longer than the tail, 

 about twice as long as wide. For further details concerning the 

 structure of the female genitalia, see Plate XIX, fig. 98. 



Records. MASSACHUSETTS— Amherst, October 14, 1916, 

 on "Sciurus hudsonicus" male. MINNESOTA — Itasca Park, 

 May 6, 1933, on "red squirrel," female. NEW YORK— Clear 

 Lake, Essex County, July 28, 1926, on Sciurus hudsonicus 

 gymnicus Bangs, female (W. J. Shoonmaker) ; Heart Lake, 

 July 22, 1922, on "Sciurus hudsonicus," male and female (F. 

 Harper) ; Long Lake, July 23, 1926, on same host, male and 

 female (R. T. Hatt) . 



Eastern hosts. Weasel (Mustela noveboracensis novebora- 

 censis (Emmons) ) , Mink ("Putorius vison") , Red Squirrel 

 (Sciurus hudsonicus loquax Bangs, etc.) , Chipmunk ("Tamias 

 striatus") . 



Eastern localities. Maine, Massachusetts, Minnesota, New 

 York. 



Type material. Two males from Peterboro, New York, on 

 "Putorius vison" in the United States National Museum. 



NOSOPSYLLUS JORDAN 

 Nosopsyllus Jordan, 1933, Nov. Zool., 39: 76. 



Genotype: Pulex fasciatus Bosc. 



Eye well developed. Ocular bristle on a level with or slightly 

 above the upper margin of the eye. Labial palpus extending to 

 or slightly beyond the apex of the fore coxa. Frontal tubercle 

 small and acuminate. Pronotal ctenidium consisting of nine or 

 ten spines on a side. Fifth tarsal segment of each leg armed as 

 in Ceratophyllus. Males: Posterior process of sternite IX 

 dilate, divided into two lobes by a sinus; movable finger with- 

 out spiniforms. Females: Tail of the receptaculum seminis long 

 and curved about the head. 



This genus is represented in the East by a single species 

 which is parasitic on the rat. 



Nosopsyllus fasciatus (Bosc) 

 (Plate XX) 



1801 Pulex fasciatus Bosc, Bull. de. Sci. p. Soc, Philo. No. 44, Vol. II, p. 156. 



1895 Pulex fasciatus Baker, Can. Ent, 27:111. 



1896 Pulex fasciatus Osborn, United States Dept. Agric. Div. Ent.. Bull. V 

 (n.s.), p. 148. 



